US5201729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for performing percutaneous diskectomy using a laser
Assignee: Laserscope Inc
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Filing: 1990-11-30
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Granted: 1993-04-13
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Expires: 2010-11-30
Abstract
Abstract A method for performing percutaneous diskectomy using a laser applies a laser beam from the laser to vaporize nucleus pulposus in the nucleus of the herniated disc. The wavelength of the laser beam will vary and depend on the laser system used.
Inventors
- 👤 Peter S. Hertzmann
- 👤 Jordan K. Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:49
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/18; A61B18/20; A61B18/22; A61B18/24; A61B17/00; A61B17/00234; A61B2017/00238; A61B2017/00261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A method of performing percutaneous diskectomy using a laser comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 1.44 microns.
Claim 2
Independent Claim
50 words
A method of performing percutaneous diskectomy using a laser comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 1.44 microns.
References Cited (Backward Citations)
US3769963A
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US4369788A
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US4545374A
Cited
US4737628A
Cited
US4678459A
Cited
US4694828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-04-12 | 1996-10-12 | 1997-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-04-12 | 2000-10-12 | 2001-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-04-12 | 2004-10-12 | 2005-04-13 | $7700.00 | Window Closed / Lapsed |